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Home > Forums > Programmers > DBMS Packages > Microsoft SQL Server: Programming Forum

Columns to Rows

Read More Threads Like This One

mayamanako (TechnicalUser)

6 May 12 11:53

Hi guys, can you give me some ideas as to how I'd tackle this problem please?

My table has 3 columns, all text:
col1 col2 col3

How do I make it into a recordset that looks something like this?
col1
col2
col3

Thanks for any suggestions?

draigGoch (Programmer)

6 May 12 14:40

You need to use a Cross-tab/Pivot query.
For example, you have a table called tblSales:

Year     |     Sales
--------------
2011    |     10000
2010    |     9000
2009    |     8000

SELECT [2009],[2010],[2011]
FROM tblSales
PIVOT
(
  MAX(Sales)
  FOR [Year] IN ([2011],[2010],[2009]);
)
AS mySales

Will Output:

2009     |     2010     |     2011
-------------------------
10000   |     9000     |     8000

A computer always does what you tell it to, but rarely does what you want it to.....

r937 (TechnicalUser)

6 May 12 17:11

draigGoch, i think what the original poster is after is "unpivot"

Quote:
My table has 3 columns, all text:
col1 col2 col3

How do I make it into a recordset that looks something like this?
col1
col2
col3

CODE

SELECT col1 FROM daTable
UNION ALL
SELECT col2 FROM daTable
UNION ALL
SELECT col3 FROM daTable

r937.com | rudy.ca
Buy my new book Simply SQL from Amazon

mayamanako (TechnicalUser)

6 May 12 18:37

Wow, thanks very much r937, it worked like magic!

draigGoch (Programmer)

8 May 12 6:33

Ah yes - That should teach me to read it properly!

A computer always does what you tell it to, but rarely does what you want it to.....

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